1 /* 2 * QLogic iSCSI Offload Driver 3 * Copyright (c) 2016 Cavium Inc. 4 * 5 * This software is available under the terms of the GNU General Public License 6 * (GPL) Version 2, available from the file COPYING in the main directory of 7 * this source tree. 8 */ 9 10 #ifndef _QEDI_DBG_H_ 11 #define _QEDI_DBG_H_ 12 13 #include <linux/types.h> 14 #include <linux/kernel.h> 15 #include <linux/compiler.h> 16 #include <linux/string.h> 17 #include <linux/version.h> 18 #include <linux/pci.h> 19 #include <linux/delay.h> 20 #include <scsi/scsi_transport.h> 21 #include <scsi/scsi_transport_iscsi.h> 22 #include <linux/fs.h> 23 24 #define __PREVENT_QED_HSI__ 25 #include <linux/qed/common_hsi.h> 26 #include <linux/qed/qed_if.h> 27 28 extern uint qedi_dbg_log; 29 30 /* Debug print level definitions */ 31 #define QEDI_LOG_DEFAULT 0x1 /* Set default logging mask */ 32 #define QEDI_LOG_INFO 0x2 /* Informational logs, 33 * MAC address, WWPN, WWNN 34 */ 35 #define QEDI_LOG_DISC 0x4 /* Init, discovery, rport */ 36 #define QEDI_LOG_LL2 0x8 /* LL2, VLAN logs */ 37 #define QEDI_LOG_CONN 0x10 /* Connection setup, cleanup */ 38 #define QEDI_LOG_EVT 0x20 /* Events, link, mtu */ 39 #define QEDI_LOG_TIMER 0x40 /* Timer events */ 40 #define QEDI_LOG_MP_REQ 0x80 /* Middle Path (MP) logs */ 41 #define QEDI_LOG_SCSI_TM 0x100 /* SCSI Aborts, Task Mgmt */ 42 #define QEDI_LOG_UNSOL 0x200 /* unsolicited event logs */ 43 #define QEDI_LOG_IO 0x400 /* scsi cmd, completion */ 44 #define QEDI_LOG_MQ 0x800 /* Multi Queue logs */ 45 #define QEDI_LOG_BSG 0x1000 /* BSG logs */ 46 #define QEDI_LOG_DEBUGFS 0x2000 /* debugFS logs */ 47 #define QEDI_LOG_LPORT 0x4000 /* lport logs */ 48 #define QEDI_LOG_ELS 0x8000 /* ELS logs */ 49 #define QEDI_LOG_NPIV 0x10000 /* NPIV logs */ 50 #define QEDI_LOG_SESS 0x20000 /* Conection setup, cleanup */ 51 #define QEDI_LOG_UIO 0x40000 /* iSCSI UIO logs */ 52 #define QEDI_LOG_TID 0x80000 /* FW TID context acquire, 53 * free 54 */ 55 #define QEDI_TRACK_TID 0x100000 /* Track TID state. To be 56 * enabled only at module load 57 * and not run-time. 58 */ 59 #define QEDI_TRACK_CMD_LIST 0x300000 /* Track active cmd list nodes, 60 * done with reference to TID, 61 * hence TRACK_TID also enabled. 62 */ 63 #define QEDI_LOG_NOTICE 0x40000000 /* Notice logs */ 64 #define QEDI_LOG_WARN 0x80000000 /* Warning logs */ 65 66 /* Debug context structure */ 67 struct qedi_dbg_ctx { 68 unsigned int host_no; 69 struct pci_dev *pdev; 70 #ifdef CONFIG_DEBUG_FS 71 struct dentry *bdf_dentry; 72 #endif 73 }; 74 75 #define QEDI_ERR(pdev, fmt, ...) \ 76 qedi_dbg_err(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 77 #define QEDI_WARN(pdev, fmt, ...) \ 78 qedi_dbg_warn(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 79 #define QEDI_NOTICE(pdev, fmt, ...) \ 80 qedi_dbg_notice(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 81 #define QEDI_INFO(pdev, level, fmt, ...) \ 82 qedi_dbg_info(pdev, __func__, __LINE__, level, fmt, \ 83 ## __VA_ARGS__) 84 85 void qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 86 const char *fmt, ...); 87 void qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 88 const char *fmt, ...); 89 void qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 90 const char *fmt, ...); 91 void qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 92 u32 info, const char *fmt, ...); 93 94 struct Scsi_Host; 95 96 struct sysfs_bin_attrs { 97 char *name; 98 struct bin_attribute *attr; 99 }; 100 101 int qedi_create_sysfs_attr(struct Scsi_Host *shost, 102 struct sysfs_bin_attrs *iter); 103 void qedi_remove_sysfs_attr(struct Scsi_Host *shost, 104 struct sysfs_bin_attrs *iter); 105 106 /* DebugFS related code */ 107 struct qedi_list_of_funcs { 108 char *oper_str; 109 ssize_t (*oper_func)(struct qedi_dbg_ctx *qedi); 110 }; 111 112 struct qedi_debugfs_ops { 113 char *name; 114 struct qedi_list_of_funcs *qedi_funcs; 115 }; 116 117 #define qedi_dbg_fileops(drv, ops) \ 118 { \ 119 .owner = THIS_MODULE, \ 120 .open = simple_open, \ 121 .read = drv##_dbg_##ops##_cmd_read, \ 122 .write = drv##_dbg_##ops##_cmd_write \ 123 } 124 125 /* Used for debugfs sequential files */ 126 #define qedi_dbg_fileops_seq(drv, ops) \ 127 { \ 128 .owner = THIS_MODULE, \ 129 .open = drv##_dbg_##ops##_open, \ 130 .read = seq_read, \ 131 .llseek = seq_lseek, \ 132 .release = single_release, \ 133 } 134 135 void qedi_dbg_host_init(struct qedi_dbg_ctx *qedi, 136 const struct qedi_debugfs_ops *dops, 137 const struct file_operations *fops); 138 void qedi_dbg_host_exit(struct qedi_dbg_ctx *qedi); 139 void qedi_dbg_init(char *drv_name); 140 void qedi_dbg_exit(void); 141 142 #endif /* _QEDI_DBG_H_ */ 143